based on random choice or personal whim, rather than any reason or system 随机选择的,随心所欲的,无理由的,无系统的 his mealtimes were entirely arbitrary. 他吃饭完全不定时。 ■(of power or a ruling body) unrestrained and autocratic in the use of authority (权力或统治机构)专断的,专制的 a country under arbitrary government. 一个受专制政府管理的国家。 ■(Mathematics)(of a constant or other quantity) of unspecified value (数)(常量,量)任意的
派生 arbitrarily adverb arbitrariness noun 语源
late Middle English (in the sense 'dependent on one's will or pleasure, discretionary'): from Latin arbitrarius, from arbiter 'judge, supreme ruler', perhaps influenced by French arbitraire